Answer:
12
Step-by-step explanation:
if you divide 156 students into 13 cabins you divide it into equal groups, once you divide all of it to equal groups you get 12 students in each cabin.
12 in
3in + 3in + 3in + 3in = 12
74.4 units
Angle T = 48 degrees
now use law of sines
67/sin42 = x/sin48
sin48 * 67/sin 42 = 74.4
56
Sorry for not showing my work im a mental worker
196/3.5= 56